body,html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  min-width: 300px;
  min-height: 300px;
}
.container {
  width: 100%;
  height: 100%;
}
.flexRow {
  display: flex;
  flex-direction: row;
}
.flexColumn {
  display: flex;
  flex-direction: column;
}
.flex1 {
  flex:1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;

}
.flexRow .flex1 div {
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 40px;
}
.flexRow .flex1 div:hover {
  background-color: #eeeeee;
}
.active {
  background-color: #eeeeee;
}
.height5 {
  height: 5%;
}
.height95 {
  height: 95%;
}
header {
  text-align: center;
  line-height: 20px;
}
header span {
   cursor: pointer;
}








/**/
